Alert archive / Maryland / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 259, NWS Philadelphia/Mount Holly

July 28, 2026Caroline County, Talbot County, Maryland

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 28, 2026, 5:58 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 47 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 28, 2026, 5:58 PM EDT (21:58 UTC)
Expired
Jul 28, 2026, 6:45 PM EDT
In force
47 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Caroline County, MD, Talbot County, MD

The radar

The Dover AFB radar (KDOX), 51 km from the middle of the area, began a volume at 22:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 28, 6:09 PM EDTTSTM WND DMG1 N Trappe, MDSeveral photos of a roof blown off an industrial building and several branches down on Backtown Rd between Ocean Gateway and Old Trappe Rd. Time estimated by radar.
Jul 28, 6:12 PM EDTTORNADO1 N Trappe, MDUpdates previous tornado report from 3 SE Trappe. Tree damage was noted behind an industrial park on Backtown Road. The highest estimated wind speeds were from roof damage to one of the large metal buildings in the industrial park. The metal roof covering was
Jul 28, 6:15 PM EDTFUNNEL CLOUDTrappe, MDMultiple reports of a possible tornado crossing Route 50. Additional reports of a possible tornado crossing Chancellors Point Road.
Jul 28, 6:18 PM EDTTORNADO1 Se Hambleton, MDThe first damage at this location noted was a large branch broken from a tree. The tornado continued roughly eastward with convergent damage noted in a corn field. At the eastern extent of the damage, two farm outbuildings sustained damage to their roofs. For
Jul 28, 6:30 PM EDTTSTM WND DMG1 Wnw Preston, MDTrees reported down on Marsh Creed Rd near Preston. Time estimated by radar.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 28, 2:48 PM EDTSevere Thunderstorm WatchSPC9 hr
Jul 28, 4:20 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 10.0 hours before the alert went out and 125 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2026-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 710 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2026-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
710 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
968 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

As transmitted.

091 
WUUS51 KPHI 282158
SVRPHI
MDC011-041-282245-
/O.NEW.KPHI.SV.W.0259.260728T2158Z-260728T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
558 PM EDT Tue Jul 28 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Southeastern Talbot County in eastern Maryland...
  Southwestern Caroline County in eastern Maryland...

* Until 645 PM EDT.

* At 558 PM EDT, a severe thunderstorm was located over Trappe, or 7
  miles south of Easton, moving northeast at 20 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to vehicles is possible. Wind damage to 
           roofs, siding, trees, and power lines is possible.

* Locations impacted include...
  Easton, Federalsburg, Trappe, Preston, Oxford, Choptank, Matthews,
  Tanyard, Harmony, Hambleton, Windyhill, and Cordova.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for eastern
Maryland.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

In addition to large hail and damaging winds, frequent cloud to
ground lightning is occurring with this storm. Move indoors
immediately. Remember, if you can hear thunder, you are close enough
to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

A Tornado Watch remains in effect until 1000 PM EDT for eastern
Maryland.

&&

LAT...LON 3863 7608 3862 7611 3864 7613 3864 7615
      3868 7618 3871 7622 3890 7596 3869 7576
      3868 7580 3870 7580 3871 7584 3870 7590
      3866 7596 3860 7599 3857 7604
TIME...MOT...LOC 2158Z 242DEG 17KT 3867 7608 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann
2 follow-up statements
958 
WWUS51 KPHI 282219
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
619 PM EDT Tue Jul 28 2026

MDC011-041-282245-
/O.CON.KPHI.SV.W.0259.000000T0000Z-260728T2245Z/
Talbot MD-Caroline MD-
619 PM EDT Tue Jul 28 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN TALBOT AND SOUTHWESTERN CAROLINE COUNTIES...

At 618 PM EDT, a severe thunderstorm was located over Windyhill, or
near Easton, moving northeast at 20 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Easton, Federalsburg, Trappe, Preston, Choptank, Matthews, Tanyard,
Harmony, Hambleton, Windyhill, and Cordova.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for eastern
Maryland.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3863 7608 3865 7611 3873 7613 3889 7595
      3869 7576 3868 7580 3870 7580 3871 7584
      3870 7590 3866 7596
TIME...MOT...LOC 2218Z 242DEG 17KT 3871 7597 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann
212 
WWUS51 KPHI 282239
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
639 PM EDT Tue Jul 28 2026

MDC041-282249-
/O.CAN.KPHI.SV.W.0259.000000T0000Z-260728T2245Z/
Talbot MD-
639 PM EDT Tue Jul 28 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN TALBOT COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM EDT for eastern
Maryland.

LAT...LON 3873 7602 3874 7599 3876 7600 3881 7590
      3882 7591 3883 7589 3869 7576 3868 7580
      3870 7580 3871 7584 3870 7590 3868 7595
TIME...MOT...LOC 2239Z 243DEG 15KT 3873 7589 

$$

MDC011-282245-
/O.CON.KPHI.SV.W.0259.000000T0000Z-260728T2245Z/
Caroline MD-
639 PM EDT Tue Jul 28 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHWESTERN CAROLINE COUNTY...

At 639 PM EDT, a severe thunderstorm was located over Preston, or 7
miles north of Hurlock, moving northeast at 15 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to roofs, 
         siding, trees, and power lines is possible.

Locations impacted include...
Federalsburg, Preston, Choptank, Tanyard, and Harmony.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for eastern
Maryland.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3873 7602 3874 7599 3876 7600 3881 7590
      3882 7591 3883 7589 3869 7576 3868 7580
      3870 7580 3871 7584 3870 7590 3868 7595
TIME...MOT...LOC 2239Z 243DEG 15KT 3873 7589 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 5:15 PM EDTSevere Thunderstorm WarningPHITalbot45 min
Jul 28, 5:45 PM EDTSevere Thunderstorm WarningPHIKent60 min
Jul 28, 5:51 PM EDTTornado WarningPHITalbot24 min
Jul 28, 5:53 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot52 min
Jul 28, 6:08 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's52 min
Jul 28, 6:15 PM EDTTornado WarningPHIKent, Queen Anne's30 min
Jul 28, 6:38 PM EDTSevere Thunderstorm Warning Considerable damage threatPHICaroline, Kent, Queen Anne's, Talbot67 min
Jul 28, 6:55 PM EDTTornado WarningPHIQueen Anne's, Talbot35 min
Jul 28, 6:59 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot61 min

Nearby

Severe Thunderstorm Warnings in Maryland, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.